{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["content container", "instrument agency", "else", "product producer", "member collection"], "input": "a conical cover preserved in a ewer in athens accords extremely well with the form of these vessels ."}
{"content container": [{"subject": "cover", "object": "ewer"}], "instrument agency": [], "else": [], "product producer": [], "member collection": []}